Win7 desktop right-click refresh response slow how to do?

In the Win7 system, after we perform a lot of operations, we go back to the desktop, we will habitually right click to refresh the desktop, but if the desktop refreshes slowly, sometimes even takes a dozen seconds, this will never be a Happy things. What should I do?
The method is as follows:
1. Press the WIN+R key at the same time to bring up the “Run” dialog box. Enter regedit, click OK to open the registry editor;

2, open the registry, then find the registry: HKEY_CLASSES_ROOT/Directory/Background/shellex/ContextMenuHandlers;

3, ContextMenuHandlers below The option only leaves the New option, and the rest of the options are deleted. In case of an error when deleting the item, you can directly determine it;

4, finally exit the registry editor, test the refresh effect, if not yet If it works, you can restart the system and try again.
Under normal circumstances, after setting through the above method, you can solve the problem that clicking the desktop right button refresh response is slow. At the same time, this tutorial also applies to the Win8 system.